Games like D.E.A.T.H.

Games like D.E.A.T.H. include Antichamber, The Witness, The Talos Principle, Portal, and Outer Wilds. We matched them by the tags players give D.E.A.T.H. on Steam (Casual, Sci-fi, Puzzle, First-Person, and Exploration): closest matches first, and among equally close ones the better-known games.